Merge pull request #521 from Sajal-24-jain/patch-3

Create Rotate Array.cpp

Rotate Array.cpp

@@ -0,0 +1,61 @@
+#include<iostream>
+using namespace std;
+
+
+void leftRotateByD(int *arr,int n,int d)
+{
+
+  int temp[d];
+  for (int i=0;i<d;i++)
+  {
+    temp[i]=arr[i];
+  }
+
+
+  int x=0;
+  for(int j=d;j<n;j++)
+  {
+    arr[x]=arr[j];
+    x++;
+  }
+
+
+  x=0;
+  for (int k=n-d;k<n;k++)
+  {
+    arr[k]=temp[x];
+    x++;
+  }
+
+}
+
+
+int main()
+{
+  int n,d;
+
+  cout<<"Enter the size of array\n";
+  cin>>n;
+
+  int arr[n];
+  cout<<"Enter the elements of array\n";
+  for (int i=0;i<n;i++)
+  {
+    cin>>arr[i];
+  }
+
+  cout<<"Enter the value of D\n";
+  cin>>d;
+
+  /* function call to rotate the array */
+  leftRotateByD(arr,n,d); 
+
+  cout<<"Array after left rotation by D places\n";
+  for (int i=0;i<n;i++)
+  {
+    cout<<arr[i]<<" ";
+  }
+
+
+  return 0;
+}